申请人:Ciba Geigy Corporation
公开号:US04537923A1
公开(公告)日:1985-08-27
Polyalkylpiperidinesulfonic acid esters of the formulae I and II B--X--O--SO.sub.2 --A).sub.m (I) (B'--X--O--SO.sub.2).sub.2 A' (II), in which A, A', B, B', X and m are as defined in claim 1, the polyalkylpiperidine group being present in each of the substituents B and B'. These esters are suitable for use as curing catalysts for acid-curable resins and act therein, at the same time, as light stabilizers.
公式I和II B--X--O--SO.sub.2 --A).sub.m (I) (B'--X--O--SO.sub.2).sub.2 A' (II)的聚烷基哌啶磺酸酯,其中A、A'、B、B'、X和m的定义如权利要求书中所述,聚烷基哌啶基团存在于取代基B和B'中的每一个。这些酯类适用于作为酸可固化树脂的固化催化剂,并在其中起到光稳定剂的作用。